80-4x=-9-8x

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Solution for 80-4x=-9-8x equation:


Simplifying
80 + -4x = -9 + -8x

Solving
80 + -4x = -9 + -8x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '8x' to each side of the equation.
80 + -4x + 8x = -9 + -8x + 8x

Combine like terms: -4x + 8x = 4x
80 + 4x = -9 + -8x + 8x

Combine like terms: -8x + 8x = 0
80 + 4x = -9 + 0
80 + 4x = -9

Add '-80' to each side of the equation.
80 + -80 + 4x = -9 + -80

Combine like terms: 80 + -80 = 0
0 + 4x = -9 + -80
4x = -9 + -80

Combine like terms: -9 + -80 = -89
4x = -89

Divide each side by '4'.
x = -22.25

Simplifying
x = -22.25

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